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immich/mobile/test/utils/editor_test.dart
bwees 7f857ab9a0 fix: affine matrix deconstruction
2026-01-24 17:55:30 -06:00

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import 'package:flutter_test/flutter_test.dart';
import 'package:immich_mobile/domain/models/asset_edit.model.dart';
import 'package:immich_mobile/utils/editor.utils.dart';
List<AssetEdit> normalizedToEdits(double rotation, bool mirrorH, bool mirrorV) {
List<AssetEdit> edits = [];
if (mirrorH) {
edits.add(const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}));
}
if (mirrorV) {
edits.add(const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}));
}
if (rotation != 0) {
edits.add(AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": rotation}));
}
return edits;
}
bool compareEditAffines(List<AssetEdit> editsA, List<AssetEdit> editsB) {
final normA = buildAffineFromEdits(editsA);
final normB = buildAffineFromEdits(editsB);
return ((normA.a - normB.a).abs() < 0.0001 &&
(normA.b - normB.b).abs() < 0.0001 &&
(normA.c - normB.c).abs() < 0.0001 &&
(normA.d - normB.d).abs() < 0.0001);
}
void main() {
group('normalizeEdits', () {
test('should handle no edits', () {
final edits = <AssetEdit>[];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle a single 90° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle a single 180° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle a single 270° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle a single horizontal mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle a single vertical mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 90° rotation + horizontal mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 90° rotation + vertical mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 90° rotation + both mirrors', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 180° rotation + horizontal mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 180° rotation + vertical mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 180° rotation + both mirrors', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 270° rotation + horizontal mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 270° rotation + vertical mirror', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle 270° rotation + both mirrors', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle horizontal mirror + 90° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle horizontal mirror + 180° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle horizontal mirror + 270° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle vertical mirror + 90° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle vertical mirror + 180° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle vertical mirror + 270° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle both mirrors + 90° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 90}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle both mirrors + 180° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 180}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
test('should handle both mirrors + 270° rotation', () {
final edits = <AssetEdit>[
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "horizontal"}),
const AssetEdit(action: AssetEditAction.mirror, parameters: {"axis": "vertical"}),
const AssetEdit(action: AssetEditAction.rotate, parameters: {"angle": 270}),
];
final result = normalizeTransformEdits(edits);
final normalizedEdits = normalizedToEdits(result.$1, result.$2, result.$3);
expect(compareEditAffines(normalizedEdits, edits), true);
});
});
}
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